Over which interval is the graph of f(x) = 1/2x^2 + 5x + 6 increasing?

(–6.5, ∞)
(–5, ∞)
(–∞, –5)
(–∞, –6.5)

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?

Two line segments are shown in the figure below. suppose that the length of the line along the x-axis is 6, and the length of the hypotenuse of the triangle is 10. what is the equation of the hypotenuse line (shown in red, below)?

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?